By 1860, African Americans made up about 30% of the population of Texas. Many were brought to Texas as slaves, but many free African Americans immigrated to Texas on their own before 1836. Which of the following statements is true regarding African American immigration to Texas?
A.
Spanish law gave them land grants but Mexican law did not.
B.
Spanish and Mexican laws treated African Americans as equals.
C.
African Americans did not participate in the Texas Revolution.
D.
African Americans could vote in Texas but could not own land.